#343C56

#343C56

Color Values

HEX

#343C56

RGB

52, 60, 86

HSL

225.9, 24.6%, 27.1%

HSV

225.9, 39.5%, 33.7%

CMYK

39.5%, 30.2%, 0.0%, 66.3%

OKLCH

0.3606 0.0465 270.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#343C56

#564E34

Analogous

#344D56

#3D3456

#343C56

Triadic

#343C56

#56343C

#3C5634

Split Complementary

#343C56

#563D34

#4D5634

Tetradic

#343C56

#56344D

#564E34

#34563D

Color Blindness Simulation

Original

#343C56

Protanopia

#373850

Deuteranopia

#37364E

Tritanopia

#344B4A

Achromatopsia

#3C3C3C

CSS Usage

background-color: #343C56;
color: #343C56;
border-color: #343C56;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#E9EBF1
200
#D3D7E4
300
#B3BAD1
400
#8994B8
500
#606F9F
600
#4D597F
700
#3E4766
800
#30374F
900
#262B3B
950
#181B25

Contrast Checker

Text on white

10.9:1

AA Pass AAA Pass

Text on black

1.93:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026